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3159036681 = 31667631681
BaseRepresentation
bin1011110001001011…
…0001001100001001
322011011021200122120
42330102301030021
522432203133211
61241245041453
7141166240323
oct27422611411
98134250576
103159036681
111381215019
12741b56289
133b4628698
1421d7a4613
1513750ad06
hexbc4b1309

3159036681 has 8 divisors (see below), whose sum is σ = 4214582304. Its totient is φ = 2104757760.

The previous prime is 3159036623. The next prime is 3159036743. The reversal of 3159036681 is 1866309513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3159036681 - 229 = 2622165769 is a prime.

It is a super-2 number, since 2×31590366812 = 19959025503806991522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3159016681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310840 + ... + 320841.

It is an arithmetic number, because the mean of its divisors is an integer number (526822788).

Almost surely, 23159036681 is an apocalyptic number.

It is an amenable number.

3159036681 is a deficient number, since it is larger than the sum of its proper divisors (1055545623).

3159036681 is a wasteful number, since it uses less digits than its factorization.

3159036681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633351.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 3159036681 is about 56205.3082991278. The cubic root of 3159036681 is about 1467.2976531263.

The spelling of 3159036681 in words is "three billion, one hundred fifty-nine million, thirty-six thousand, six hundred eighty-one".

Divisors: 1 3 1667 5001 631681 1895043 1053012227 3159036681